from django.contrib.auth.mixins import LoginRequiredMixin
from django import http
class LoginRequiredJSONMixin(LoginRequiredMixin):
    '''自定义LoginRequireMixin
    如果用户未登录,响应JSON,且状态吗为400
    '''
    def handle_no_permission(self):
        return http.JsonResponse({'code':400,'errmsg':'用户未登录'})